Summary
It was discovered that libssh2 incorrectly handled username and password
length values during SSH password authentication. A remote attacker could
possibly use this issue to cause a denial of service.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 24.04 LTS 24.04:LTS | libssh2 | 1.11.0-4.1ubuntu0.24.04.1 |
| Ubuntu · 25.10 | libssh2 | 1.11.1-1ubuntu0.25.10.1 |
| Ubuntu · 26.04 LTS 26.04:LTS | libssh2 | 1.11.1-1ubuntu0.26.04.1 |
References
-
report
https://ubuntu.com/security/CVE-2026-7598